624 lines
24 KiB
JavaScript
624 lines
24 KiB
JavaScript
const { app, BrowserWindow, ipcMain, shell, screen, safeStorage, powerMonitor } = require('electron');
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const path = require('path');
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const fs = require('fs');
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// --- Secure session persistence ---
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const SESSION_FILE = path.join(app.getPath('userData'), 'secure-session.dat');
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const https = require('https');
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const http = require('http');
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const { checkForUpdates } = require('./updater.cjs');
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// --- Settings persistence ---
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const SETTINGS_FILE = path.join(app.getPath('userData'), 'settings.json');
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const DEFAULT_SETTINGS = {
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windowX: undefined,
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windowY: undefined,
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windowWidth: 1200,
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windowHeight: 800,
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isMaximized: false,
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theme: 'theme-dark',
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};
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let mainWindow = null;
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function loadSettings() {
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try {
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const data = fs.readFileSync(SETTINGS_FILE, 'utf8');
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return { ...DEFAULT_SETTINGS, ...JSON.parse(data) };
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} catch {
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return { ...DEFAULT_SETTINGS };
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}
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}
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function saveSettings(settings) {
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try {
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fs.writeFileSync(SETTINGS_FILE, JSON.stringify(settings, null, 2), 'utf8');
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} catch (err) {
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console.error('Failed to save settings:', err.message);
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}
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}
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function isPositionOnScreen(x, y, w, h) {
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const displays = screen.getAllDisplays();
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const MIN_OVERLAP = 100;
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return displays.some(display => {
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const { x: dx, y: dy, width: dw, height: dh } = display.bounds;
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const overlapX = Math.max(0, Math.min(x + w, dx + dw) - Math.max(x, dx));
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const overlapY = Math.max(0, Math.min(y + h, dy + dh) - Math.max(y, dy));
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return overlapX >= MIN_OVERLAP && overlapY >= MIN_OVERLAP;
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});
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}
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function createWindow() {
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const settings = loadSettings();
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const windowOptions = {
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width: settings.windowWidth,
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height: settings.windowHeight,
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frame: false,
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webPreferences: {
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nodeIntegration: false,
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contextIsolation: true,
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preload: path.join(__dirname, 'preload.cjs'),
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sandbox: false
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}
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};
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// Only restore position if it's valid on a connected display
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if (settings.windowX !== undefined && settings.windowY !== undefined &&
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isPositionOnScreen(settings.windowX, settings.windowY, settings.windowWidth, settings.windowHeight)) {
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windowOptions.x = settings.windowX;
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windowOptions.y = settings.windowY;
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}
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mainWindow = new BrowserWindow(windowOptions);
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if (settings.isMaximized) {
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mainWindow.maximize();
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}
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// Save window state on close
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mainWindow.on('close', () => {
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// Flush localStorage/sessionStorage to disk before renderer is destroyed
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mainWindow.webContents.session.flushStorageData();
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const current = loadSettings(); // re-read to preserve theme changes
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if (!mainWindow.isMaximized()) {
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const bounds = mainWindow.getBounds();
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current.windowX = bounds.x;
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current.windowY = bounds.y;
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current.windowWidth = bounds.width;
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current.windowHeight = bounds.height;
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}
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current.isMaximized = mainWindow.isMaximized();
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saveSettings(current);
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});
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const isDev = process.env.npm_lifecycle_event === 'electron:dev';
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if (isDev) {
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mainWindow.loadURL(process.env.VITE_DEV_URL || 'http://localhost:5173');
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mainWindow.webContents.openDevTools();
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} else {
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// Production: Load the built file
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mainWindow.loadFile(path.join(__dirname, 'dist-react', 'index.html'));
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}
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}
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function createSplashWindow() {
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const splash = new BrowserWindow({
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width: 300,
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height: 350,
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frame: false,
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resizable: false,
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alwaysOnTop: true,
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webPreferences: {
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nodeIntegration: false,
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contextIsolation: true
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}
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});
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splash.loadFile(path.join(__dirname, 'splash.html'));
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return splash;
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}
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app.whenReady().then(async () => {
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const isDev = !app.isPackaged;
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if (isDev) {
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createWindow();
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} else {
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const splash = createSplashWindow();
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const noUpdate = await checkForUpdates(splash);
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if (noUpdate === false) {
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if (!splash.isDestroyed()) splash.close();
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createWindow();
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}
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// If update downloaded, quitAndInstall handles restart
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}
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ipcMain.on('window-minimize', () => {
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const win = BrowserWindow.getFocusedWindow();
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if (win) win.minimize();
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});
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ipcMain.on('window-maximize', () => {
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const win = BrowserWindow.getFocusedWindow();
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if (win) {
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if (win.isMaximized()) win.unmaximize();
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else win.maximize();
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}
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});
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ipcMain.on('window-close', () => {
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const win = BrowserWindow.getFocusedWindow();
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if (win) win.close();
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});
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// Helper to fetch metadata (Zero-Knowledge: Client fetches previews)
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const OEMBED_PROVIDERS = {
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'twitter.com': (url) => url.includes('/status/') ? `https://publish.twitter.com/oembed?url=${encodeURIComponent(url)}&format=json` : null,
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'x.com': (url) => url.includes('/status/') ? `https://publish.twitter.com/oembed?url=${encodeURIComponent(url)}&format=json` : null,
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'youtube.com': (url) => `https://www.youtube.com/oembed?url=${encodeURIComponent(url)}&format=json`,
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'www.youtube.com': (url) => `https://www.youtube.com/oembed?url=${encodeURIComponent(url)}&format=json`,
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'youtu.be': (url) => `https://www.youtube.com/oembed?url=${encodeURIComponent(url)}&format=json`,
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'open.spotify.com': (url) => `https://open.spotify.com/oembed?url=${encodeURIComponent(url)}`,
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'www.tiktok.com': (url) => `https://www.tiktok.com/oembed?url=${encodeURIComponent(url)}`,
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'tiktok.com': (url) => `https://www.tiktok.com/oembed?url=${encodeURIComponent(url)}`,
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'www.reddit.com': (url) => `https://www.reddit.com/oembed?url=${encodeURIComponent(url)}&format=json`,
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'reddit.com': (url) => `https://www.reddit.com/oembed?url=${encodeURIComponent(url)}&format=json`,
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};
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const FETCH_HEADERS = {
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'User-Agent': 'Mozilla/5.0 (compatible; DiscordBot/1.0)',
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'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
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'Accept-Language': 'en-US,en;q=0.5',
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};
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const MAX_RESPONSE_SIZE = 256 * 1024; // 256KB
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const FETCH_TIMEOUT = 8000;
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const MAX_REDIRECTS = 5;
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function httpGet(url, redirectsLeft = MAX_REDIRECTS) {
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return new Promise((resolve, reject) => {
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const client = url.startsWith('https') ? https : http;
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const req = client.get(url, { headers: FETCH_HEADERS, timeout: FETCH_TIMEOUT }, (res) => {
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if ([301, 302, 303, 307, 308].includes(res.statusCode) && res.headers.location) {
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if (redirectsLeft <= 0) { resolve(''); return; }
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let redirectUrl = res.headers.location;
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if (redirectUrl.startsWith('/')) {
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const parsed = new URL(url);
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redirectUrl = parsed.origin + redirectUrl;
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}
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res.resume();
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httpGet(redirectUrl, redirectsLeft - 1).then(resolve).catch(reject);
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return;
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}
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let data = '';
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let size = 0;
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res.setEncoding('utf8');
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res.on('data', (chunk) => {
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size += Buffer.byteLength(chunk);
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if (size > MAX_RESPONSE_SIZE) { res.destroy(); resolve(data); return; }
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data += chunk;
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});
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res.on('end', () => resolve(data));
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res.on('error', () => resolve(data));
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});
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req.on('timeout', () => { req.destroy(); resolve(''); });
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req.on('error', (err) => { console.error('httpGet error:', err.message); resolve(''); });
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});
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}
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function fetchJson(url, redirectsLeft = MAX_REDIRECTS) {
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return new Promise((resolve, reject) => {
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const client = url.startsWith('https') ? https : http;
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const req = client.get(url, { headers: { 'User-Agent': FETCH_HEADERS['User-Agent'], 'Accept': 'application/json' }, timeout: FETCH_TIMEOUT }, (res) => {
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if ([301, 302, 303, 307, 308].includes(res.statusCode) && res.headers.location) {
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if (redirectsLeft <= 0) { resolve(null); return; }
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let redirectUrl = res.headers.location;
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if (redirectUrl.startsWith('/')) {
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const parsed = new URL(url);
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redirectUrl = parsed.origin + redirectUrl;
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}
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res.resume();
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fetchJson(redirectUrl, redirectsLeft - 1).then(resolve).catch(reject);
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return;
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}
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let data = '';
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res.setEncoding('utf8');
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res.on('data', (chunk) => { data += chunk; });
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res.on('end', () => { try { resolve(JSON.parse(data)); } catch { resolve(null); } });
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res.on('error', () => resolve(null));
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});
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req.on('timeout', () => { req.destroy(); resolve(null); });
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req.on('error', () => resolve(null));
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});
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}
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function parseMetaTags(html) {
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const meta = {};
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const metaRegex = /<meta\s+([^>]*?)\/?\s*>/gi;
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let match;
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while ((match = metaRegex.exec(html)) !== null) {
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const attrs = match[1];
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let name = null, content = null;
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const propMatch = attrs.match(/(?:property|name)\s*=\s*["']([^"']+)["']/i);
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const contentMatch = attrs.match(/content\s*=\s*["']([^"']*?)["']/i);
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if (propMatch) name = propMatch[1].toLowerCase();
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if (contentMatch) content = contentMatch[1];
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if (name && content !== null) meta[name] = content;
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}
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const titleMatch = html.match(/<title[^>]*>([\s\S]*?)<\/title>/i);
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if (titleMatch) meta['_title'] = titleMatch[1].trim();
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return meta;
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}
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function buildMetadata(meta) {
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const get = (...keys) => { for (const k of keys) { if (meta[k]) return meta[k]; } return null; };
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return {
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title: get('og:title', 'twitter:title', '_title'),
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description: get('og:description', 'twitter:description', 'description'),
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image: get('og:image', 'og:image:secure_url', 'twitter:image', 'twitter:image:src'),
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siteName: get('og:site_name'),
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themeColor: get('theme-color'),
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video: get('og:video:secure_url', 'og:video:url', 'og:video'),
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type: get('og:type', 'twitter:card'),
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author: get('article:author', 'author'),
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};
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}
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function sanitizeMetadata(metadata) {
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const decodeEntities = (str) => {
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if (!str) return str;
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return str.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>')
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.replace(/"/g, '"').replace(/'/g, "'").replace(/'/g, "'")
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.replace(/&#(\d+);/g, (_, n) => String.fromCharCode(n))
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.replace(/&#x([0-9a-fA-F]+);/g, (_, n) => String.fromCharCode(parseInt(n, 16)));
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};
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const stripTags = (str) => str ? str.replace(/<[^>]*>/g, '') : str;
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const limit = (str, max = 1000) => str && str.length > max ? str.substring(0, max) : str;
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const result = {};
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for (const [key, value] of Object.entries(metadata)) {
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if (typeof value === 'string') {
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result[key] = limit(decodeEntities(stripTags(value)).trim());
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} else {
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result[key] = value;
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}
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}
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return result;
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}
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ipcMain.handle('fetch-metadata', async (event, url) => {
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try {
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// Check for direct video links
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const videoExtensions = ['.mp4', '.webm', '.ogg', '.mov'];
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const imageExtensions = ['.gif', '.png', '.jpg', '.jpeg', '.webp'];
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const lowerUrl = url.toLowerCase();
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if (videoExtensions.some(ext => lowerUrl.endsWith(ext))) {
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return { title: url.split('/').pop(), siteName: new URL(url).hostname, video: url, image: null, description: 'Video File' };
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}
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if (imageExtensions.some(ext => lowerUrl.endsWith(ext))) {
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return { title: url.split('/').pop(), siteName: new URL(url).hostname, video: null, image: url, description: 'Image File' };
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}
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const hostname = new URL(url).hostname.replace(/^www\./, '');
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const oembedBuilder = OEMBED_PROVIDERS[hostname] || OEMBED_PROVIDERS['www.' + hostname];
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const oembedUrl = oembedBuilder ? oembedBuilder(url) : null;
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let metadata;
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if (oembedUrl) {
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const [oembedResult, htmlResult] = await Promise.allSettled([
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fetchJson(oembedUrl),
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httpGet(url),
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]);
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const oembed = oembedResult.status === 'fulfilled' ? oembedResult.value : null;
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const html = htmlResult.status === 'fulfilled' ? htmlResult.value : '';
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const meta = html ? parseMetaTags(html) : {};
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const ogData = buildMetadata(meta);
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metadata = {
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title: oembed?.title || ogData.title,
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description: ogData.description,
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image: oembed?.thumbnail_url || ogData.image,
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siteName: oembed?.provider_name || ogData.siteName,
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themeColor: ogData.themeColor,
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video: ogData.video,
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type: ogData.type,
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author: oembed?.author_name || ogData.author,
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};
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} else {
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const html = await httpGet(url);
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if (!html) return null;
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const meta = parseMetaTags(html);
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metadata = buildMetadata(meta);
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}
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return sanitizeMetadata(metadata);
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} catch (err) {
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console.error('Metadata fetch error:', err);
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return null;
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}
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});
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// Flatpak update check
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ipcMain.handle('check-flatpak-update', async () => {
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const isFlatpak = fs.existsSync('/.flatpak-info') || !!process.env.FLATPAK_ID;
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if (!isFlatpak) return { isFlatpak: false };
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try {
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const yaml = await httpGet('https://gitea.moyettes.com/Moyettes/DiscordClone/releases/download/latest/latest-linux.yml');
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if (!yaml) return { isFlatpak: true, updateAvailable: false };
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const versionMatch = yaml.match(/^version:\s*(.+)$/m);
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if (!versionMatch) return { isFlatpak: true, updateAvailable: false };
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const latestVersion = versionMatch[1].trim();
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const currentVersion = app.getVersion();
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const latest = latestVersion.split('.').map(Number);
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const current = currentVersion.split('.').map(Number);
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let updateAvailable = false;
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let updateType = 'patch';
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for (let i = 0; i < Math.max(latest.length, current.length); i++) {
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const l = latest[i] || 0;
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const c = current[i] || 0;
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if (l > c) {
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updateAvailable = true;
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updateType = i === 0 ? 'major' : i === 1 ? 'minor' : 'patch';
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break;
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}
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if (l < c) break;
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}
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return { isFlatpak: true, updateAvailable, updateType, latestVersion, currentVersion };
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} catch (err) {
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console.error('Flatpak update check error:', err.message);
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return { isFlatpak: true, updateAvailable: false };
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}
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});
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ipcMain.handle('open-external', async (event, url) => {
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await shell.openExternal(url);
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});
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// Settings IPC handlers
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ipcMain.handle('get-setting', (event, key) => {
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const settings = loadSettings();
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return settings[key];
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});
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ipcMain.handle('set-setting', (event, key, value) => {
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const settings = loadSettings();
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settings[key] = value;
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saveSettings(settings);
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});
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// Secure session persistence handlers
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ipcMain.handle('save-session', (event, data) => {
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try {
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if (!safeStorage.isEncryptionAvailable()) return false;
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const encrypted = safeStorage.encryptString(JSON.stringify(data));
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fs.writeFileSync(SESSION_FILE, encrypted);
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return true;
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} catch (err) {
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console.error('Failed to save session:', err.message);
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return false;
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}
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});
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ipcMain.handle('load-session', () => {
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try {
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if (!safeStorage.isEncryptionAvailable()) return null;
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if (!fs.existsSync(SESSION_FILE)) return null;
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const encrypted = fs.readFileSync(SESSION_FILE);
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const decrypted = safeStorage.decryptString(encrypted);
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return JSON.parse(decrypted);
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} catch (err) {
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console.error('Failed to load session (clearing corrupt file):', err.message);
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try { fs.unlinkSync(SESSION_FILE); } catch {}
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return null;
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}
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});
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ipcMain.handle('clear-session', () => {
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try {
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if (fs.existsSync(SESSION_FILE)) fs.unlinkSync(SESSION_FILE);
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return true;
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} catch (err) {
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console.error('Failed to clear session:', err.message);
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return false;
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}
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});
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ipcMain.handle('get-screen-sources', async () => {
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const { desktopCapturer } = require('electron');
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const sources = await desktopCapturer.getSources({
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types: ['window', 'screen'],
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thumbnailSize: { width: 450, height: 250, borderRadius: '8px' },
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fetchWindowIcons: true
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});
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return sources.map(source => ({
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id: source.id,
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name: source.name,
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thumbnail: source.thumbnail.toDataURL(),
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appIcon: source.appIcon ? source.appIcon.toDataURL() : null
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}));
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});
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// Crypto Handlers
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const crypto = require('crypto');
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ipcMain.handle('generate-keys', async () => {
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const generateRSA = () => new Promise((resolve, reject) => {
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crypto.generateKeyPair('rsa', {
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modulusLength: 2048,
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publicKeyEncoding: { type: 'spki', format: 'pem' },
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privateKeyEncoding: { type: 'pkcs8', format: 'pem' }
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}, (err, pub, priv) => {
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if (err) reject(err); else resolve({ pub, priv });
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});
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});
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const generateEd = () => new Promise((resolve, reject) => {
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crypto.generateKeyPair('ed25519', {
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publicKeyEncoding: { type: 'spki', format: 'pem' },
|
|
privateKeyEncoding: { type: 'pkcs8', format: 'pem' }
|
|
}, (err, pub, priv) => {
|
|
if (err) reject(err); else resolve({ pub, priv });
|
|
});
|
|
});
|
|
|
|
const [rsa, ed] = await Promise.all([generateRSA(), generateEd()]);
|
|
|
|
return {
|
|
rsaPub: rsa.pub,
|
|
rsaPriv: rsa.priv,
|
|
edPub: ed.pub,
|
|
edPriv: ed.priv
|
|
};
|
|
});
|
|
|
|
ipcMain.handle('random-bytes', (event, size) => {
|
|
return crypto.randomBytes(size).toString('hex');
|
|
});
|
|
|
|
ipcMain.handle('sha256', (event, data) => {
|
|
return crypto.createHash('sha256').update(data).digest('hex');
|
|
});
|
|
|
|
ipcMain.handle('sign-message', (event, privateKeyPem, message) => {
|
|
return crypto.sign(null, Buffer.from(message), privateKeyPem).toString('hex');
|
|
});
|
|
|
|
ipcMain.handle('verify-signature', (event, publicKeyPem, message, signature) => {
|
|
return crypto.verify(null, Buffer.from(message), publicKeyPem, Buffer.from(signature, 'hex'));
|
|
});
|
|
|
|
ipcMain.handle('derive-auth-keys', (event, password, salt) => {
|
|
return new Promise((resolve, reject) => {
|
|
crypto.scrypt(password, salt, 64, (err, derivedKey) => {
|
|
if (err) reject(err);
|
|
else {
|
|
const dak = derivedKey.subarray(0, 32).toString('hex');
|
|
const dek = derivedKey.subarray(32, 64);
|
|
resolve({ dak, dek });
|
|
}
|
|
});
|
|
});
|
|
});
|
|
|
|
ipcMain.handle('public-encrypt', (event, publicKeyPem, data) => {
|
|
const buffer = Buffer.from(data);
|
|
return crypto.publicEncrypt({
|
|
key: publicKeyPem,
|
|
padding: crypto.constants.RSA_PKCS1_OAEP_PADDING,
|
|
oaepHash: "sha256",
|
|
}, buffer).toString('hex');
|
|
});
|
|
|
|
ipcMain.handle('private-decrypt', (event, privateKeyPem, encryptedHex) => {
|
|
const buffer = Buffer.from(encryptedHex, 'hex');
|
|
return crypto.privateDecrypt({
|
|
key: privateKeyPem,
|
|
padding: crypto.constants.RSA_PKCS1_OAEP_PADDING,
|
|
oaepHash: "sha256",
|
|
}, buffer).toString();
|
|
});
|
|
|
|
ipcMain.handle('encrypt-data', (event, plaintext, key) => {
|
|
console.log('encrypt-data called with:', {
|
|
plaintextType: typeof plaintext,
|
|
isBuffer: Buffer.isBuffer(plaintext),
|
|
keyType: typeof key,
|
|
keyIsBuffer: Buffer.isBuffer(plaintext)
|
|
});
|
|
|
|
if (plaintext === undefined) throw new TypeError('plaintext is undefined');
|
|
if (key === undefined) throw new TypeError('key is undefined');
|
|
|
|
const keyBuffer = typeof key === 'string' ? Buffer.from(key, 'hex') : key;
|
|
const iv = crypto.randomBytes(12);
|
|
const cipher = crypto.createCipheriv('aes-256-gcm', keyBuffer, iv);
|
|
|
|
const encryptedBuffer = Buffer.concat([
|
|
cipher.update(plaintext),
|
|
cipher.final()
|
|
]);
|
|
|
|
const tag = cipher.getAuthTag().toString('hex');
|
|
return { content: encryptedBuffer.toString('hex'), iv: iv.toString('hex'), tag };
|
|
});
|
|
|
|
ipcMain.handle('decrypt-data', (event, ciphertext, key, iv, tag, options = {}) => {
|
|
const keyBuffer = typeof key === 'string' ? Buffer.from(key, 'hex') : key;
|
|
const ivBuffer = Buffer.from(iv, 'hex');
|
|
const tagBuffer = Buffer.from(tag, 'hex');
|
|
const decipher = crypto.createDecipheriv('aes-256-gcm', keyBuffer, ivBuffer);
|
|
decipher.setAuthTag(tagBuffer);
|
|
|
|
const outputEncoding = options.encoding || 'utf8';
|
|
const updateEncoding = outputEncoding === 'buffer' ? undefined : outputEncoding;
|
|
|
|
let decrypted;
|
|
if (outputEncoding === 'buffer') {
|
|
decrypted = Buffer.concat([
|
|
decipher.update(ciphertext, 'hex'),
|
|
decipher.final()
|
|
]);
|
|
} else {
|
|
decrypted = decipher.update(ciphertext, 'hex', outputEncoding);
|
|
decrypted += decipher.final(outputEncoding);
|
|
}
|
|
return decrypted;
|
|
});
|
|
|
|
ipcMain.handle('decrypt-batch', (event, items) => {
|
|
return items.map(({ ciphertext, key, iv, tag }) => {
|
|
try {
|
|
const keyBuffer = typeof key === 'string' ? Buffer.from(key, 'hex') : key;
|
|
const ivBuffer = Buffer.from(iv, 'hex');
|
|
const tagBuffer = Buffer.from(tag, 'hex');
|
|
const decipher = crypto.createDecipheriv('aes-256-gcm', keyBuffer, ivBuffer);
|
|
decipher.setAuthTag(tagBuffer);
|
|
let decrypted = decipher.update(ciphertext, 'hex', 'utf8');
|
|
decrypted += decipher.final('utf8');
|
|
return { success: true, data: decrypted };
|
|
} catch (err) {
|
|
return { success: false, data: null };
|
|
}
|
|
});
|
|
});
|
|
|
|
ipcMain.handle('verify-batch', (event, items) => {
|
|
return items.map(({ publicKey, message, signature }) => {
|
|
try {
|
|
const verified = crypto.verify(null, Buffer.from(message), publicKey, Buffer.from(signature, 'hex'));
|
|
return { success: true, verified };
|
|
} catch (err) {
|
|
return { success: false, verified: false };
|
|
}
|
|
});
|
|
});
|
|
|
|
// AFK voice channel: expose system idle time to renderer
|
|
ipcMain.handle('get-system-idle-time', () => powerMonitor.getSystemIdleTime());
|
|
|
|
// --- Auto-idle detection ---
|
|
const IDLE_THRESHOLD_SECONDS = 300; // 5 minutes
|
|
let wasIdle = false;
|
|
setInterval(() => {
|
|
if (!mainWindow || mainWindow.isDestroyed()) return;
|
|
const idleTime = powerMonitor.getSystemIdleTime();
|
|
if (!wasIdle && idleTime >= IDLE_THRESHOLD_SECONDS) {
|
|
wasIdle = true;
|
|
mainWindow.webContents.send('idle-state-changed', { isIdle: true });
|
|
} else if (wasIdle && idleTime < IDLE_THRESHOLD_SECONDS) {
|
|
wasIdle = false;
|
|
mainWindow.webContents.send('idle-state-changed', { isIdle: false });
|
|
}
|
|
}, 15000);
|
|
});
|